diff --git a/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/DataRetriever.java b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/DataRetriever.java
new file mode 100644
index 00000000000..dfe00b1e2d9
--- /dev/null
+++ b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/DataRetriever.java
@@ -0,0 +1,11 @@
+package com.sap.sailing.datamining;
+
+import java.util.Collection;
+
+import com.sap.sailing.server.RacingEventService;
+
+public interface DataRetriever<DataType> {
+
+    public Collection<DataType> retrieveData(RacingEventService racingEventService);
+    
+}
diff --git a/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/GPSFixRetriever.java b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/GPSFixRetriever.java
new file mode 100644
index 00000000000..0a04ce77442
--- /dev/null
+++ b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/GPSFixRetriever.java
@@ -0,0 +1,5 @@
+package com.sap.sailing.datamining;
+
+public interface GPSFixRetriever extends DataRetriever<GPSFixWithContext> {
+
+}
diff --git a/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/GPSFixRetrieverImpl.java b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/GPSFixRetrieverImpl.java
new file mode 100644
index 00000000000..f3fae02572e
--- /dev/null
+++ b/java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/GPSFixRetrieverImpl.java
@@ -0,0 +1,96 @@
+package com.sap.sailing.datamining.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import com.sap.sailing.datamining.GPSFixContext;
+import com.sap.sailing.datamining.GPSFixRetriever;
+import com.sap.sailing.datamining.GPSFixWithContext;
+import com.sap.sailing.domain.base.Competitor;
+import com.sap.sailing.domain.base.CourseArea;
+import com.sap.sailing.domain.base.Fleet;
+import com.sap.sailing.domain.base.Leg;
+import com.sap.sailing.domain.base.RaceColumn;
+import com.sap.sailing.domain.leaderboard.Leaderboard;
+import com.sap.sailing.domain.leaderboard.LeaderboardGroup;
+import com.sap.sailing.domain.tracking.GPSFixMoving;
+import com.sap.sailing.domain.tracking.GPSFixTrack;
+import com.sap.sailing.domain.tracking.TrackedLeg;
+import com.sap.sailing.domain.tracking.TrackedLegOfCompetitor;
+import com.sap.sailing.domain.tracking.TrackedRace;
+import com.sap.sailing.server.RacingEventService;
+
+public class GPSFixRetrieverImpl implements GPSFixRetriever {
+    
+    
+    @Override
+    public Collection<GPSFixWithContext> retrieveData(RacingEventService racingEventService) {
+        Collection<GPSFixWithContext> data = new ArrayList<GPSFixWithContext>();
+        for (LeaderboardGroup leaderboardGroup : racingEventService.getLeaderboardGroups().values()) {
+            for (Leaderboard leaderboard : leaderboardGroup.getLeaderboards()) {
+                CourseArea courseArea = leaderboard.getDefaultCourseArea();
+                for (RaceColumn raceColumn : leaderboard.getRaceColumns()) {
+                    for (Fleet fleet : raceColumn.getFleets()) {
+                        TrackedRace trackedRace = raceColumn.getTrackedRace(fleet);
+                        if (trackedRace != null) {
+                            int legNumber = 1;
+                            for (Leg leg : trackedRace.getRace().getCourse().getLegs()) {
+                                TrackedLeg trackedLeg = trackedRace.getTrackedLeg(leg);
+                                if (trackedLeg != null) {
+                                    for (Competitor competitor : trackedRace.getRace().getCompetitors()) {
+                                        data.addAll(retrieveDataFor(leaderboardGroup, leaderboard, courseArea, fleet, trackedRace,
+                                                trackedLeg, legNumber, competitor));
+                                    }
+                                    legNumber++;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return data;
+    }
+
+//    @Override
+//    public Collection<GPSFixWithContext> retrieveData(RacingEventService racingEventService) {
+//        Collection<GPSFixWithContext> data = new ArrayList<GPSFixWithContext>();
+//        for (Regatta regatta : racingEventService.getAllRegattas()) {
+//            TrackedRegatta trackedRegatta = racingEventService.getTrackedRegatta(regatta);
+//            if (trackedRegatta != null) {
+//                for (TrackedRace trackedRace : trackedRegatta.getTrackedRaces()) {
+//                    if (trackedRace != null) {
+//                        int legNumber = 1;
+//                        for (Leg leg : trackedRace.getRace().getCourse().getLegs()) {
+//                            for (Competitor competitor : trackedRace.getRace().getCompetitors()) {
+//                                data.addAll(retrieveDataFor(trackedRace, leg, legNumber, competitor));
+//                            }
+//                            legNumber++;
+//                        }
+//                    }
+//                }
+//            }
+//        }
+//        return data;
+//    }
+
+    private Collection<GPSFixWithContext> retrieveDataFor(LeaderboardGroup leaderboardGroup, Leaderboard leaderboard, CourseArea courseArea, Fleet fleet, TrackedRace trackedRace, TrackedLeg trackedLeg, int legNumber, Competitor competitor) {
+        List<GPSFixWithContext> data = new ArrayList<GPSFixWithContext>();
+        TrackedLegOfCompetitor trackedLegOfCompetitor = trackedLeg.getTrackedLeg(competitor);
+        GPSFixTrack<Competitor, GPSFixMoving> competitorTrack = trackedRace.getTrack(competitor);
+        competitorTrack.lockForRead();
+        try {
+            if (trackedLegOfCompetitor.getStartTime() != null && trackedLegOfCompetitor.getFinishTime() != null) {
+                for (GPSFixMoving gpsFix : competitorTrack.getFixes(trackedLegOfCompetitor.getStartTime(), true, trackedLegOfCompetitor.getFinishTime(), true)) {
+                    GPSFixContext context = new GPSFixContextImpl(leaderboardGroup, leaderboard, courseArea, fleet, trackedRace, trackedLeg, legNumber, competitor);
+                    data.add(new GPSFixWithContextImpl(gpsFix, context ));
+                }
+            }
+        } finally {
+            competitorTrack.unlockAfterRead();
+        }
+        return data;
+    }
+
+}